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FUNCTIONAL DEVICES INC / RIB Class 2 Power Supply: 500 VA Power Rating, 24V AC - Enclosed & Panel Mounted Class 2 Transformers
FUNCTIONAL DEVICES INC / RIBEnclosed & Panel Mounted Class 2 Transformers

FUNCTIONAL DEVICES INC / RIB Class 2 Power Supply: 500 VA Power Rating, 24V AC

The FUNCTIONAL DEVICES INC / RIB PSMN500A is a panel-mounted Class 2 power supply with a 500 VA power rating. It converts 480V AC input to 24V AC output and features screw terminals for wiring, an individual output…

SKU 3G-OTH-44688

Brand
FUNCTIONAL DEVICES INC / RIB
Item
Class 2 Power Supply: 500 VA Power Rating, 24V AC
Part Number
PSMN500A
Category
Enclosed & Panel Mounted Class 2 Transformers
Available to Order
Also known as:PSMN500AFUNCTIONAL DEVICES INC / RIB
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Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

FUNCTIONAL DEVICES INC / RIB
Manufacturer Part Number
PSMN500A
Type
Circuit Breaker
AC
24V
Mounting
Panel
Input Voltage
480V AC
Output Voltage
24V AC
Wire Connection Type
Screw Terminals
Includes On/Off Switch
Individual Output On/Off Switch

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FUNCTIONAL DEVICES INC / RIB Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The FUNCTIONAL DEVICES INC / RIB PSMN500A is a panel-mounted Class 2 power supply with a 500 VA power rating. It converts 480V AC input to 24V AC output and features screw terminals for wiring, an individual output on/off switch, and a circuit breaker.

Frequently Asked Questions

What is the FUNCTIONAL DEVICES INC / RIB PSMN500A power supply used for?

The PSMN500A is a panel-mounted Class 2 power supply that converts 480V AC input to 24V AC output with a 500 VA rating. It is used in industrial control panels, HVAC systems, and automation equipment to provide safe, low-voltage power to relays, controllers, and sensors.

What are the specifications of the FUNCTIONAL DEVICES INC / RIB PSMN500A?

The PSMN500A has an input voltage of 480V AC, output voltage of 24V AC, and a 500 VA power rating. It includes a circuit breaker, an individual output on/off switch, screw terminals for wiring, and is designed for panel mounting. The manufacturer part number is PSMN500A.

Where to buy the FUNCTIONAL DEVICES INC / RIB PSMN500A worldwide?

3G Electric supplies the FUNCTIONAL DEVICES INC / RIB PSMN500A worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we source and deliver this Class 2 power supply to any country.

How to install the FUNCTIONAL DEVICES INC / RIB PSMN500A power supply?

Mount the PSMN500A on a panel using the provided hardware. Connect the 480V AC input and 24V AC output via the screw terminals, ensuring proper wire gauge for the 500 VA rating. Use the individual output on/off switch for local control. The circuit breaker provides overcurrent protection; follow NEC and local codes.

Used in

Common applications for FUNCTIONAL DEVICES INC / RIB
HVAC control panels — Functional Devices RIB Class 2 transformers (e.g., PSH75AB10) provide 24V AC power for thermostats, relays, and zone valves.
Lighting contactor panels — RIB power supplies (e.g., PSMN200A) step down 347V AC to 24V AC for lighting control relays and occupancy sensors.
Pump control panels — Enclosed Class 2 transformers (e.g., PSH200A) supply 24V AC to pump start relays and float switches in water/wastewater facilities.
Industrial automation — RIB current sensors and relays monitor and switch low-voltage control circuits in PLC-based systems.
Commercial building automation — Functional Devices power supplies (e.g., PSH100AB10-EXT2) provide isolated 24V AC power for building controllers and actuators.
Data center cooling — RIB transformers (e.g., PSH300A) power control circuits for CRAC units and economizer dampers.
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FUNCTIONAL DEVICES INC / RIB Products

3G Electric supplies FUNCTIONAL DEVICES INC / RIB enclosed & panel mounted class 2 transformers. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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